Faculty Directory

Active flow control, sensor and actuator design, magnetostrictive materials, material characterization, smart fabrics and textiles, vibrations and acoustics 

Journal Articles

• A. E. Clark, J.-H. Yoo, J. R. Cullen, G. Petculescu, M. Wun-Fogle, and A. Flatau, “Stress Dependent Magnetostriction in Highly Magnetostrictive Fe100-xGax, 20 < x < 30,” Journal of Applied Physics, to be published in May, 2009
• Downey, P. R., Flatau, A.B., McGary, PD.. and Stadler, B.J. Effect of magnetic field on the mechanical properties of magnetostrictive iron-gallium nanowires" Journal of  Applied Physics. Vol 103, No. 7, Apr. 2008.
• J. Atulasimha, A. B. Flatau, and J. R. Cullen, "Analysis of the effect of gallium content on the magnetomechanical behavior of single-crystal iron-gallium alloys using an Energy-based model," Smart Materials and Structures, vol. 17, No. 2, Apr. 2008.
• Datta, S. and Flatau, A. B., “Magnetomechanical Coupling Factor and Energy Density of Single Crystal Iron-Gallium Alloys,” SPIE International Symposium on Smart Structures and Materials, San Diego, CA, Mar 9-13, 2008.
• Parsons, M J, Datta, S, Mudivarthi, C ,Na , Flatau, A, "Torque sensing using rolled Galfenol patches," SPIE International Symposium on Smart Structures and Materials, San Diego, CA, Mar 9-13, 2008.
• J. Atulasimha, G. Akhras and A. B. Flatau, "Comprehensive 3-D Hysteretic Magnetomechanical Model and its Validation with Experimental <110> Single-crystal Iron-Gallium Behavior," Journal of Applied Physics, vol.103, issue 7, 20th March 2008.
• Atulasimha, J., Flatau, A.B., and Cullen, J.R. “Energy-based Model for Actuation and Sensing Behavior of Single-crystal Iron-gallium Alloys”, Journal of Applied Physics, Vol.103, Issue 1, 3 January 2008.
• J. Atulasimha and A. B. Flatau, "Experimental Actuation and Sensing Behavior of Single-Crystal Iron-Gallium Alloys," Journal of Intelligent Materials Systems and Structures, Vol. 19, Issue 12, pp 1371-1381, 2008.
• C. Mudivarthi, S. Datta, J. Atulasimha and A. B. Flatau, "A bidirectionally coupled magnetoelastic model and its validation using a Galfenol unimorph sensor," Smart Materials and Structures, vol. 17, No 3, 2008.
• Kellogg R, Flatau A, "Experimental investigationof Terfenol-D's elastic modulus," Journal of Intelligent Materials Systems and Structures, Vol. 19, Issue 5, pp 583-595, 2008.
• S. M. Na and A. B. Flatau, “Deformation Behavior and Magnetostriction of Polycrystalline Fe-Ga-X (X=B, C, Mn, Mo, Nb, NbC) Alloys,” Journal of Applied Physics, 103, art. no. 07D304 (2008)
• Patrick D. McGary, 1 Liwen Tan, 1 Jia Zou, 1 Bethanie J.H. Stadler, 1 Patrick R. Downey, 2 Alison B. Flatau, "Magnetic Nanowires for Acoustic Sensors" June 2006.
• Atulasimha J, Flatau AB, Kellogg RA "Sensing behavior of varied stoichiometry single crystal Fe-Ga," Journal of Intelligent Material Systems and Structures17 (2): 97-105 February 2006.
• Downey PR, Flatau AB, "Magnetoelastic bending of Galfenol for sensor applications," Journal of Applied Physics 97 (10): Art. No. 10R505 Part 3 May 15, 2005.
• Kellogg, R.A.,* Flatau, A., Clark, A.E., Wun-Fogle, M. and Lograsso, T., "Quasi-static transduction characterization of Galfenol," Journal of Intelligent Material Systems and Structures 16 (6): 471-479 June 1, 2005.
• Yoo, J.H.,* and Flatau, A.B., "Measurement of Field-Dependence Elastic Modulus of Iron-Gallium Alloy using Tensile Test," Journal of Applied Physics 97 (10): Art. No. 10M318 Part 3 May 15, 2005.
• Staley, M. E.* and Flatau, A.B., "Terfenol-D Tooth Phone Performance Characterization and Optimization," Journal of Applied Physics97 (10): Art. No. 10R508 Part 3 May 15, 2005.
• Calkins, F.T.,* and Flatau, A.B., "Electrical Impedance Analysis for Characterization of Magnetostrictive Materials," Journal of Smart Structures and Materials, August 2004.

Submitted Journal Articles

• F. C. Graham, C. Mudivarthi, S. Datta and A. B. Flatau, “Development and validation of a bidirectionally coupled magnetoelastic actuator model,” submitted to Smart Materials and Structures, 2009.
• S. Datta, J. Atulasimha and A. B. Flatau, “Figures of merit of magnetostrictive single crystal iron-gallium alloys for actuator and sensor applications,” submitted to Journal of Magnetism and Magnetic Materials, 2009.
• S. Datta, J. Atulasimha, C. Mudivarthi and A. B. Flatau, “Modeling of magneto-mechanical actuators in laminated structures,” submitted to Journal of Intelligent Material Systems and Structures, 2008.
• Dapino, M.J.,* Calkins, F.T.,* and Flatau, A.B., "Statistical analysis of Terfenol-D material properties," submitted to the Journal of Intelligent Materials and Structural Systems, October 2004.
• Na, S.* and Flatau, A., "Magnetostriction and surface-energy-induced selective grain growth in rolled Fe-Ga based alloys," submitted to IEEE Transactions on Magnetics, December 2004.
• Calkins, F.T., * Flatau, A.B. and Dapino, M.J., * "Overview of Magnetostrictive Sensor Applications," submitted to Journal of Intelligent Materials and Structural Systems, July 2004.

Conference Proceedings

• S. M. Na and A. B. Flatau, “Surface Segregation of Sulfur and Its Effect on Surface-Energy-Induced Selective Grain Growth in Magnetostrictive Fe-Ga-B Alloy”, Proceeding of ASME 2008 Conference on Smart Materials, Adaptive Structures & Intelligent System SUBMITTED in 2008
• K. Hale and A. B. Flatau, “Galfenol tactile sensor array and visual mapping system,” paper |6173-36|, SPIE Smart Structures and Material Conference, March, 2006.
• R. J. DiSabatino, Jr., F. P. McCluskey, A. B. Flatau, and B. J. Stadler, “Packaging of an iron-gallium nanowire acoustic sensor,” paper |6172-43|, SPIE Smart Structures and Material Conference, March, 2006.
• Patrick D. McGary, Liwen Tan, Jia Zou, Bethanie J.H. Stadler, Patrick R. Downey, and Alison B. Flatau, Magnetic Nanowires for Acoustic Sensors (Invited), paper DD-07, 50th Magnetism and Magnetic Materials conference, Fall 2005 San Jose, CA
• Suok-Min Na and Alison B. Flatau, “Effect of Boron Addition on Magnetostrictive and Mechanical Properties in Rolled Polycrystalline Fe-18.7%Ga Alloy”, paper V.7, Fall 2005 Material Research Society Meeting, Boston, MA.
• Jayasimha Atulasimha and Alison B. Flatau, “Free-Energy Model for Actuation and Sensing Behavior of Magnetostrictive Materials and Its Application to Single Crystal Iron-Gallium Alloys,” paper V4.10, Fall 2005 Material Research Society Meeting, Boston, MA.
• Suok-Min Na and Alison B. Flatau, “Magnetostriction and Crystallographic Texture in Rolled and Annealed Fe-Ga Based Alloys,” paper V6.10, Fall 2005 Material Research Society Meeting, Boston, MA.
• Patrick Downey and Alison Flatau, “Bending of Iron-Gallium (Galfenol) Alloys for Sensor Applications,” V6.11, Fall 2005 Material Research Society Meeting, Boston, MA.
• Sandra Ugrina and Alison Flatau, “Flow field Measurements of Synthetic Jets Made with “Thunder” Actuators,” 35th AIAA Fluid Dynamics conference, Toronto, CA, June, 2005.
• Sandra Ugrina and Alison Flatau, “Miniature synthetic jet actuator performance in low Reynolds number flow fields,” 16th International Conference on Adaptive Structures and Technologies, Paris, France, Fall, 2005.
• L. M. Gravatt and A. B. Flatau, “Resonance-based low frequency synthetic jet actuator modeling, design and testing,” paper |6173-22|, SPIE Smart Structures and Material Conference, March, 2006.
• P. R. Downey and A. B. Flatau, “Bending of iron-gallium (Galfenol) alloys for sensor applications,” paper |6174-09| SPIE Smart Structures and Material Conference, March, 2006.
• Supratik Datta and Alison B. Flatau, “Magnetostrictive Vibration Sensor based on Iron-Gallium Alloy,” paper V4.9, Fall 2005 Material Research Society Meeting, Boston, MA.
• S. Datta and A.B. Flatau, “Measurement of magnetic field dependent Young’s modulus of Iron-Gallium alloy in flexural mode,” paper |6170-24| SPIE Smart Structures and Material Conference, March, 2006
• J. Atulasimha and A. B. Flatau, “A free energy model for the magnetostrictive behavior of polycrystalline Iron-Gallium alloys,” paper |6170-23| SPIE Smart Structures and Material Conference, March, 2006
• E. Other presentations at conferences, seminars, symposia, and outside institutions Citation
  Aerospace Engineering at the University of Maryland, given to the Engineering Society at Howard Community College, spring 05.
• "Biomemetic Sensor Systems", US-Japan Workshop on Sensors, Smart Structures and Mechatronic Systems hosted by the University of Tokyo, Tokyo, Japan, Nov 12-13, 2005. (Submitted in previous year) (Accepted in previous year) PRESENTED in 2005 // Research (N/A) Invited
• "Galfenol Nano-Sensors for Underwater Applications: Nanowire Fabrication," Phononics Workshop, DARPA, Jan 2005.
• "Structural Iron-Based Magnetostrictive Alloys," Symbiotic Material & Structural Systems Workshop, DARPA, August 25-26, 2005

Presentations

• Benatar, J., and Flatau, A. “FEM Implementation of a Magnetostrictive Transducer,” ONR Workshop on Transducer Materials and Transduction, Penn State, May, 2005.
• Datta, S. and Flatau, A. "Application of Iron-Gallium Alloy as Magnetostrictive Sensors" ONR Workshop on Transducer Materials and Transduction, Penn State, May, 2005.
• "Galfenol Nano-Sensors for Underwater Applications," ONR Maritime Sensing Program Review, Newport, RI, August 17-19, 2005.
• "Review of Advances on Rolling Galfenol," ETREMA Products, Inc. Program review, Oct 4-5, 2005.